10 prehistoric animals that will give you nightmares

1. Deinosuchus

Imagine a crocodile as big as a dinosaur. Now imagine a crocodile so big that it could eat a dinosaur for breakfast. This beast was 12 metres (40 feet) long and lived 80 million years ago

Deinosuchus

2. Dunkleosteus

Meet the prehistoric fish that had a jaw like a guillotine. The teeth you see are part of the skull and it lived for 20 million years, snacking on sharks

Dunkleosteus

3.  Fasolasuchus

One of the largest carnivores to live that wasn’t a dinosaur, this reptile was a cousin of the crocodile

Fasolasuchus

4. Helicoprion

Living a whopping 310 million years ago, this relative of the shark had a saw on its face. It was tough enough to survive an extinction event that wiped out 90 per cent of the animals on the planet

Helicoprion

5. Jaekelopterus

This underwater scorpion grew to three metres (eight feet) long and lived almost 400 million years ago

Jaekelopterus

6. Kelenken

After dinosaurs disappeared 65 million years ago, these prehistoric birds were the top predators of South America for 15 million years
Kelenken

7. Livyatan

12 million years ago this whale was the king of the seas. Each tooth was 30 centimetres (one foot) long and the whale feasted on megladon sharks

Livyatan

8. Mosasaurus

This was one of the largest aquatic predators in history. Related to Komodo dragons, this 20 metre (60 foot) monster feasted on anything it could catch

Mosasaurus

9. Sauroniops

These giants lived in Morocco over 100 million years ago. They reached 12 metres (40 feet) in height

Sauroniops

10. Therizinosaurus

Also known as the reaper lizard, this raptor had claws a metre (three feet) in length. Unlike other members of its family, this reptile was herbivorous and the claws were probably for defence

Therinzinosaurus


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Images from imgur.com/a/oUSsM